Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual canal tem Joel Meyers como comentarista principal?
 ###Tabelas: CREATE TABLE team_summaries (team_summaries_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Location VARCHAR, Stadium VARCHAR, Capacity INT, Manager VARCHAR, Kitmaker VARCHAR) CREATE TABLE 2009_10_table (2009_10_table_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Played VARCHAR, Drawn VARCHAR, Lost VARCHAR, Points for VARCHAR, Points against VARCHAR, Tries for VARCHAR, Tries against VARCHAR, Try bonus VARCHAR, Losing bonus VARCHAR, Points VARCHAR) CREATE TABLE ladies_european_tour_career_summary (ladies_european_tour_career_summary_id AUTO_INCREMENT PRIMARY KEY, Year INT, Tournaments played INT, Cuts made INT, Wins INT, 2nd INT, 3rd INT, Top 10s INT, Best finish VARCHAR, Earnings ( € ) VARCHAR, Money list rank VARCHAR, Scoring average VARCHAR, Scoring rank VARCHAR, Rolex ranking INT) CREATE TABLE away (away_id AUTO_INCREMENT PRIMARY KEY, Team VARCHAR, Outgoing Manager VARCHAR, Manner of Departure VARCHAR, Date of vacancy VARCHAR, Replaced By VARCHAR, Position in the table − VARCHAR) CREATE TABLE 2000s (2000s_id AUTO_INCREMENT PRIMARY KEY, Channel VARCHAR, Play-by-play VARCHAR, Color commentator(s) VARCHAR, Studio host VARCHAR, Studio analysts VARCHAR)  
SELECT Channel FROM 2000s WHERE Play-by-play = joel meyers